5 Helicenes by iterative radical cyclisations to arenes


Harrowven, D. C., Nunn, M. I. T. and Fenwick, D. R. (2002) 5 Helicenes by iterative radical cyclisations to arenes. Tetrahedron Letters, 43, (17), 3189-3191. (doi:10.1016/S0040-4039(02)00506-3).

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Description/Abstract

The paper describes a synthesis of 1,2,3,12,13,14-hexamethoxy[5]helicene 1. The synthesis features two sp(2)-sp(2) bond forming reactions, each involving a 6-exo/endo-trig cyclisation of an aryl radical intermediate to an arene.

Item Type: Article
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Keywords: helicenes, radicals and radical reactions, cyclisation, polycyclic aromatic compoundsipso substitution-reactions, aryl migration, biaryls, carbon, cyclization, toddaquinoline, silicon, tin, methylenecycloalkanes, regiochemistry
Subjects: Q Science
Q Science > QD Chemistry
Divisions: University Structure - Pre August 2011 > School of Chemistry
ePrint ID: 19760
Date Deposited: 17 Feb 2006
Last Modified: 27 Mar 2014 18:09
URI: http://eprints.soton.ac.uk/id/eprint/19760

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